/* Limpia Chimeneas Asturias — menú móvil (por debajo de 1080px, donde se oculta .nav) */
.menu-btn,.mnav{display:none}
@media(max-width:1079px){
.hdr-in{gap:.5rem}
.hdr-in .brand{flex:1 1 auto;min-width:0}
.menu-btn{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;flex:0 0 auto;min-width:44px;min-height:44px;padding:4px 6px;margin:0;background:transparent;border:1px solid var(--line-warm);border-radius:var(--r-touch);color:var(--bone);font-family:var(--fb);font-size:.68rem;font-weight:600;line-height:1;letter-spacing:.02em;cursor:pointer;visibility:hidden;transition:border-color .15s ease,color .15s ease}
.menu-js .menu-btn{visibility:visible}
.menu-btn:hover,.menu-btn[aria-expanded="true"]{border-color:var(--copper);color:var(--copper)}
.menu-btn:focus-visible{outline:2px solid var(--copper);outline-offset:2px}
.menu-ico{position:relative;display:block;width:18px;height:2px;background:currentColor;border-radius:1px;margin-block:6px 5px;transition:background .15s ease}
.menu-ico::before,.menu-ico::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:1px;transition:transform .15s ease}
.menu-ico::before{top:-6px}
.menu-ico::after{top:6px}
.menu-btn[aria-expanded="true"] .menu-ico{background:transparent}
.menu-btn[aria-expanded="true"] .menu-ico::before{transform:translateY(6px) rotate(45deg)}
.menu-btn[aria-expanded="true"] .menu-ico::after{transform:translateY(-6px) rotate(-45deg)}
.mnav{display:block;position:absolute;left:0;right:0;top:100%;max-height:calc(100vh - 100%);overflow-y:auto;overscroll-behavior:contain;background:var(--soot-2);border-top:1px solid var(--line);border-bottom:2px solid var(--copper);box-shadow:0 18px 30px rgba(0,0,0,.45)}
.mnav[hidden]{display:none}
.mnav-in{padding-block:.5rem 1.25rem}
.mnav ul{list-style:none;margin:0;padding:0}
.mnav li{border-bottom:1px solid var(--line)}
.mnav li a{display:flex;align-items:center;min-height:48px;padding-block:.35rem;font-family:var(--fd);font-weight:600;font-size:1.08rem;letter-spacing:-.01em;color:var(--bone);text-decoration:none}
.mnav li a:hover,.mnav li a[aria-current="page"]{color:var(--copper)}
.mnav a:focus-visible{outline:2px solid var(--copper);outline-offset:2px}
.mnav .mnav-tel{display:flex;width:100%;box-sizing:border-box;margin-top:1.1rem;padding:.95rem 1.6rem;font-size:1rem}
}
@media(max-width:719px){.mnav-in{padding-bottom:5rem}}
@media(max-width:420px){.hdr-in{gap:.35rem}.hdr-in>.btn-main{padding:.6rem .6rem}}
/* Cabecera de escritorio: enlaces de conductos e industrial solo donde caben */
.nav .nav-x{display:none}
@media(min-width:1080px){.nav a{white-space:nowrap}}
@media(min-width:1240px){.nav{gap:1.15rem}.nav .nav-x{display:inline}}